Heffernan, J. A. W. (1986). Instructor's manual: Writing: A college Handbook Writing: A college Workbook (2nd ed.). W.W. Norton & Co..
芝加哥风格引文Heffernan, James A. W. Instructor's Manual: Writing: A College Handbook Writing: A College Workbook. 2nd ed. New York: W.W. Norton & Co., 1986.
MLA引文Heffernan, James A. W. Instructor's Manual: Writing: A College Handbook Writing: A College Workbook. 2nd ed. W.W. Norton & Co., 1986.
警告:这些引文格式不一定是100%准确.